JPS6219053U - - Google Patents

Info

Publication number
JPS6219053U
JPS6219053U JP1986106864U JP10686486U JPS6219053U JP S6219053 U JPS6219053 U JP S6219053U JP 1986106864 U JP1986106864 U JP 1986106864U JP 10686486 U JP10686486 U JP 10686486U JP S6219053 U JPS6219053 U JP S6219053U
Authority
JP
Japan
Prior art keywords
electric machine
rotor shaft
magnetic means
bearing
thrust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1986106864U
Other languages
English (en)
Other versions
JPH0733569Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS6219053U publication Critical patent/JPS6219053U/ja
Application granted granted Critical
Publication of JPH0733569Y2 publication Critical patent/JPH0733569Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/02—Sliding-contact bearings
    • F16C25/04—Sliding-contact bearings self-adjusting
    • F16C25/045—Sliding-contact bearings self-adjusting with magnetic means to preload the bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Sliding-Contact Bearings (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

【図面の簡単な説明】
図面は本考案による電気機械の一例を示す断面
図である。 １……電気機械、３……ターンテーブル、５…
…フレーム、７……固定子、７ａ……成層コア、
７ｂ……コイル、９……滑り軸受ブツシユ、９ｂ
……滑り軸受、１１……玉軸受、１３……回転軸
線、１５……回転子軸、１５ａ……軸受部材、１
５ｂ……回転子軸の一端部、１７ａ……永久磁石
回転子、１９……スラストブロツク、１９ａ……
軸受素子（第１磁気手段）、１９ｂ……軸受面、
２３……強磁性リング（第２磁気手段）、２５…
…プリント回路板、２７……取付ピン。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ −固定子を取付けるフレームと； −前記固定子と電磁的に共働する回転子を支持
    する回転子軸と； −前記フレーム内に螺合させることのできるス
    ラストブロツクと、前記回転子軸により回転し得
    るように該回転子軸に接続される軸受部材を前記
    スラストブロツクの軸受面に押当てるべく設けら
    れる互いに共働する第１及び第２磁気手段とを含
    み、前記スライドブロツクが前記第１磁気手段を
    具え、前記回転子軸に前記第２磁気手段を設ける
    ようにした回転子軸用軸受装置； とを具えて成る電気機械において、 前記第１磁気手段を、前記軸受面を支承する軸
    受素子として構成するようにしたことを特徴とす
    る電気機械。 ２ 前記第２磁気手段を前記軸受素子に対向する
    前記回転子軸に配置されるリングをもつて構成す
    るようにした実用新案登録請求の範囲第１項に記
    載の電気機械において、前記第１磁気手段を軸方
    向に磁化した永久磁石とし、かつ前記第２磁気手
    段を強磁性材料製のものとしたことを特徴とする
    電気機械。 ３ 前記回転子軸を強磁性材料製のものとしたこ
    とを特徴とする実用新案登録請求の範囲第１又は
    ２項のいずか一項に記載の電気機械。 ４ 前記スラストブロツクをプラスチツクから射
    出成形したものとし、かつ前記軸受素子全体を前
    記プラスチツク内にカプセル封止するようにした
    ことを特徴とする実用新案登録請求の範囲第１項
    に記載の電気機械。
JP1986106864U 1985-07-17 1986-07-14 電気機械 Expired - Lifetime JPH0733569Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8502058A NL8502058A (nl) 1985-07-17 1985-07-17 Electrische machine met magnetische lagervoorzieningen.
NL8502058 1985-07-17

Publications (2)

Publication Number Publication Date
JPS6219053U true JPS6219053U (ja) 1987-02-04
JPH0733569Y2 JPH0733569Y2 (ja) 1995-07-31

Family

ID=19846328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986106864U Expired - Lifetime JPH0733569Y2 (ja) 1985-07-17 1986-07-14 電気機械

Country Status (6)

Country Link
US (1) US4755709A (ja)
JP (1) JPH0733569Y2 (ja)
DE (1) DE3621962C2 (ja)
FR (1) FR2585199B3 (ja)
GB (1) GB2178247B (ja)
NL (1) NL8502058A (ja)

Families Citing this family (32)

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GB2201841A (en) * 1987-03-02 1988-09-07 Johnson Electric Ind Mfg An electric motor thrust bearing basing arrangement
FR2627313B1 (fr) * 1988-02-12 1994-08-05 Mecanique Magnetique Sa Dispositif de suspension et d'entrainement de disques de memoire d'ordinateur
FR2669592A1 (fr) * 1990-11-27 1992-05-29 Renault Procede de reduction des deplacements parasites d'organes mobiles d'un vehicule et application du procede a la realisation de ces organes.
DE4200589A1 (de) * 1991-01-15 1992-07-16 Barmag Barmer Maschf Kugellagerung fuer elektromotoren
JP3123283B2 (ja) * 1993-01-29 2001-01-09 松下電器産業株式会社 ディスク駆動装置
US5581422A (en) * 1993-02-09 1996-12-03 Hitachi Metals, Ltd. Actuator with moveable coil and recording apparatus
FR2712358B1 (fr) * 1993-11-09 1996-02-09 Mecanique Magnetique Sa Dispositif de montage et d'entraînement d'une broche, notamment d'une broche textile.
IT1279208B1 (it) * 1995-05-16 1997-12-04 Bitron Spa Sistema di accoppiamento a gioco assiale minimo e controllato tra un albero ed un supporto in rotazione relativa, e relativi procedimenti
DE19806077A1 (de) * 1997-11-27 1999-06-02 Itt Mfg Enterprises Inc Rotorlagerung für ein Motorpumpenaggregat
US6361752B1 (en) 1999-05-19 2002-03-26 S. C. Johnson & Son, Inc. Apparatus for volatilizing and dispensing a chemical into a room environment
US6232685B1 (en) 1999-05-19 2001-05-15 Johnson Outdoors Inc. Nutational motor
DE10026467A1 (de) * 2000-05-27 2001-12-13 Prec Motors Deutsche Minebea G Spindelmotor für Festplattenlaufwerke mit verbesserter Laufgenauigkeit
JP2002160581A (ja) 2000-11-24 2002-06-04 Koito Mfg Co Ltd 車輌用灯具及び回動用駆動装置
JP4108482B2 (ja) * 2001-03-16 2008-06-25 アルテック・ジェネレイティング・システムズ・リミテッド・ライアビリティ・カンパニー 交流発電機
JP2004023828A (ja) * 2002-06-13 2004-01-22 Minebea Co Ltd スピンドルモータ
CN1327142C (zh) * 2003-06-17 2007-07-18 财团法人工业技术研究院 磁浮轴承结构
TWI222263B (en) * 2003-08-15 2004-10-11 Delta Electronics Inc Non-bearing motor
JP2007507193A (ja) * 2003-09-22 2007-03-22 台達電子工業股▲ふん▼有限公司 モーター
TWI258540B (en) * 2003-10-08 2006-07-21 Delta Electronics Inc Heat-dissipating device
JP2005192262A (ja) * 2003-12-24 2005-07-14 Matsushita Electric Ind Co Ltd ブラシレスモータ
TWI249899B (en) * 2004-02-20 2006-02-21 Delta Electronics Inc Magnetic-bearing motor and magnetic-bearing thereof
CN100570160C (zh) * 2004-03-19 2009-12-16 台达电子工业股份有限公司 磁性轴承马达及其磁性轴承组件
JP2007037365A (ja) * 2005-07-29 2007-02-08 Nippon Densan Corp モータ
JP4835371B2 (ja) * 2005-10-17 2011-12-14 日本電産株式会社 軸受ユニットおよびこれを備えた電動式のモータ
CN102013750B (zh) * 2006-02-02 2013-01-16 日本电产株式会社 电机
TWI330438B (en) * 2007-01-11 2010-09-11 Delta Electronics Inc Fan and motor thereof
US20080238228A1 (en) * 2007-03-26 2008-10-02 Forcecon Technology Co., Ltd. Magnetic shaft of a cooling fan
WO2008123370A1 (ja) * 2007-04-04 2008-10-16 Kabushiki Kaisha Yaskawa Denki 環状ステータコアとその製造方法、およびモールドモータ
CN102111026A (zh) * 2009-12-24 2011-06-29 台达电子工业股份有限公司 风扇及其马达
DE102012203809A1 (de) * 2012-03-12 2013-09-12 Robert Bosch Gmbh Elektrische Maschine und Verfahren hierfür
US10138938B2 (en) 2015-07-13 2018-11-27 Lawrence Livermore National Security, Llc Passive magnetic bearing elements and configurations utilizing alternative polarization and Amperian current direction
EP3154166B1 (en) * 2015-10-08 2022-11-30 Skf Magnetic Mechatronics Rotary machine having magnetic and mechanical bearings

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55170876U (ja) * 1979-05-25 1980-12-08
JPS57160346A (en) * 1981-03-30 1982-10-02 Canon Inc Regulator for shaft of rotary electric machine

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US2305416A (en) * 1941-11-19 1942-12-15 Gen Electric Magnetic suspension
US3201182A (en) * 1962-03-28 1965-08-17 Gen Motors Corp Thrust bearing
US3397929A (en) * 1964-06-22 1968-08-20 Westinghouse Electric Corp Removable bearings
FR1509938A (fr) * 1966-06-27 1968-01-19 Rateau Soc Perfectionnement aux butées axiales de machines tournantes et butée hydromagnétique
US3512851A (en) * 1968-12-11 1970-05-19 Halliburton Co Magnetic bearing
SE336483B (ja) * 1969-03-19 1971-07-05 Aga Ab
US3598456A (en) * 1970-01-23 1971-08-10 Halliburton Co Magnetically supported rotor in a conduit
GB1422941A (en) * 1972-03-25 1976-01-28 Lucas Industries Ltd Thrust bearing
DE2248695A1 (de) * 1972-10-04 1974-04-11 Skf Kugellagerfabriken Gmbh Lagerung fuer mit hoher drehzahl rotierende wellen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55170876U (ja) * 1979-05-25 1980-12-08
JPS57160346A (en) * 1981-03-30 1982-10-02 Canon Inc Regulator for shaft of rotary electric machine

Also Published As

Publication number Publication date
JPH0733569Y2 (ja) 1995-07-31
GB2178247A (en) 1987-02-04
US4755709A (en) 1988-07-05
DE3621962A1 (de) 1987-01-22
GB8617060D0 (en) 1986-08-20
NL8502058A (nl) 1987-02-16
DE3621962C2 (de) 1994-08-04
FR2585199A3 (fr) 1987-01-23
FR2585199B3 (fr) 1987-08-21
GB2178247B (en) 1989-01-18

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